Home / 758,973.96-1,138,465.91-303,603.27

Finding the Fourth Proportional to 758,973.96, 1,138,465.91 and 303,603.27

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Solution

The fourth proportional to 758,973.96, 1,138,465.91 and 303,603.27 is: 455,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,973.96 : 1,138,465.91 = 303,603.27 : x
  2. Step 2: Convert to fraction form
    758,973.96/1,138,465.91 = 303,603.27/x
  3. Step 3: Cross multiply
    758,973.96x = 1,138,465.91 × 303,603.27
  4. Step 4: Simplify right side
    758,973.96x = 345,641,971,541.51
  5. Step 5: Solve for x
    x = 345,641,971,541.51/758,973.96
  6. Step 6: Final answer
    x = 455,406.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.